Auto Type Checking

What it does

When your agent uses it

• Tasks that involve Type safety

Example prompts

• “/auto-type-checking”

Requirements

• Node.js

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

1. 1Missing imports: Cannot find name 'X' → add the import
2. 2Type mismatches: Type 'string' is not assignable to type 'number' → fix the type or the value
3. 3Missing properties: Property 'x' does not exist on type 'Y' → add the property to the interface or fix the access
4. 4Null safety: Object is possibly 'null' → add null check or optional chaining
5. 5Generic constraints: Type 'X' does not satisfy the constraint 'Y' → fix the generic parameter

What it can do on your machine

Read from SKILL.md and the folder at commit 2d14a69. It shows what the files ask for, not the result of running them.

• Tool permissions

  Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

  From allowed-tools in the SKILL.md frontmatter.

• Runs code

  Shell commands in SKILL.md call:

  • npx

  From the folder's file list and the shell code blocks in SKILL.md.

• Network

  No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

  From URLs in SKILL.md, links to its own repository left out.

• Credentials

  Names no API keys, tokens, secrets or passwords.

  From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Auto Type Checking loads about 478 tokens when it runs. Until then it costs about 40 tokens; SKILL.md has 188 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it

~40

When it runs · the whole SKILL.md, loaded when a task matches

~478

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from majiayu000/claude-skill-registry at commit 2d14a69, republished under its MIT licence (© majiayu000). 188 words, ~478 tokens.

name

auto-type-checking

description

Run TypeScript type checking after file edits and immediately flag type errors before moving on. Uses Cursor hooks for automatic enforcement.

user-invocable

true

npx tsc --noEmit 2>&1 | head -30

{
  "hooks": [
    {
      "event": "afterFileEdit",
      "script": "check-types.sh",
      "pattern": "**/*.{ts,tsx}"
    }
  ]
}

#!/bin/bash
# Quick type check — only reports errors, doesn't block
npx tsc --noEmit --pretty 2>&1 | head -20
exit 0  # Don't block the agent even if there are errors

chmod +x .cursor/hooks/check-types.sh

© majiayu000, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in skills/bash/auto-type-checking of majiayu000/claude-skill-registry.

• SKILL.md
• metadata.json

Open the folder on GitHubat commit 2d14a69

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in majiayu000/claude-skill-registry, which our catalogue first saw on October 8, 2026.

• spencerpauly/awesome-cursor-skillsresources/auto-type-checking